To unlock new characters, you need to complete specific missions or challenges within the game. Each character has its own requirements, so check the character menu for details on what you need to do.

Focus on learning each boss's attack patterns and timing your dodges effectively. Utilize your power-ups wisely and look for opportunities to deal damage during their vulnerable phases.

You can upgrade your abilities by collecting resources throughout the levels. Once you have enough resources, go to the upgrade menu to enhance your character's skills and power.

If you're struggling, consider leveling up your character by replaying previous levels to gather more resources. Focus on mastering your character's moves and practice your timing to improve your performance in tougher levels.

Power-ups can significantly enhance your performance. To collect them, explore the levels thoroughly. Once acquired, activate them strategically during challenging moments. Steps to effectively use power-ups: 1. Identify the power-up type (e.g., health, damage boost). 2. Save them for tough enemies or boss battles. 3. Activate them during crucial points in a level or boss fight for maximum effect.